FBI Director James Comey waits for the start of a meeting with Attorney General Jeff Session and the heads of federal law enforcement components at the Department of Justice in Washington, Thursday, Feb. 9, 2017. (AP Photo/Susan Walsh, Pool)

"We know the secretary of HHS will help bring market freedom and regulatory relief to the insurance markets to dramatically lower the prices of the plan for the 50- to 60-years-olds," Ryan said on "Fox News Sunday."

But the plan is still facing strong opposition from conservative members of the House Freedom Caucus and some in the Senate.